Monthly outlook for Smith Island, MD: average high 81.3°, average low 74.5°. That is 0.6° below the climate normal for August. Precipitation is expected on 5 days (about 0.9 inches), against a normal of 6 days and 2.6 inches. The warmest day looks like 10 August (87.8°), the coolest 14 August (68.1°).
81.3°/74.5°
Average high / low
−0.6°
Below normal
5 / 6
Wet days / normal
0.9 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 August – 18 August
81.9°
83.1°
-0.6°
19 August – 28 August
80.3°
81.9°
-0.9°
29 August – 7 September
at normal
80.9°
—
August records over 66 years
95.4°20 August 1983All-time high
52.7°30 August 1986All-time low
Climate normals and records are computed from the nearest reference point — Dames Quarter (15 mi).
Mon, 1088° / 79°0.04
88 °
Smith Island, Monday, 10 August
Light rain. High 88°, low 79°.
Pressure30.00 inHg
Wind2.5 mph SW
Humidity70%
Visibility6.2 mi
Dew point71°
Tue, 1183° / 76°0.17
83 °
Smith Island, Tuesday, 11 August
Rain. High 83°, low 76°.
Pressure29.94 inHg
Wind7.9 mph NW
Humidity70%
Visibility6.2 mi
Dew point68°
Wed, 1283° / 76°0.02
83 °
Smith Island, Wednesday, 12 August
Light rain. High 83°, low 76°.
Pressure29.80 inHg
Wind13 mph W
Humidity81%
Visibility6.2 mi
Dew point72°
Thu, 1384° / 78°0.04
84 °
Smith Island, Thursday, 13 August
Light rain. High 84°, low 78°.
Pressure29.83 inHg
Wind19.5 mph NW
Humidity71%
Visibility—
Dew point71°
Fri, 1478° / 68°0.08
78 °
Smith Island, Friday, 14 August
Light rain. High 78°, low 68°.
Pressure30.09 inHg
Wind16.9 mph N
Humidity64%
Visibility—
Dew point57°
Sat, 1580° / 70°0
80 °
Smith Island, Saturday, 15 August
Clear. High 80°, low 70°.
Pressure30.18 inHg
Wind20.6 mph N
Humidity49%
Visibility—
Dew point55°
Sun, 1679° / 72°0
79 °
Smith Island, Sunday, 16 August
Mostly clear. High 79°, low 72°.
Pressure30.18 inHg
Wind20.6 mph S
Humidity51%
Visibility—
Dew point55°
Mon, 1780° / 77°0.01
80 °
Smith Island, Monday, 17 August
Light rain. High 80°, low 77°.
Pressure30.12 inHg
Wind18.3 mph S
Humidity58%
Visibility—
Dew point62°
Tue, 1877° / 73°0.24
77 °
Smith Island, Tuesday, 18 August
Light rain. High 77°, low 73°.
Pressure30.03 inHg
Wind20 mph S
Humidity70%
Visibility—
Dew point66°
Wed, 1980° / 73°0.28
80 °
Smith Island, Wednesday, 19 August
Light rain. High 80°, low 73°.
Pressure29.91 inHg
Wind21.9 mph S
Humidity74%
Visibility—
Dew point68°
Thu, 2081° / 77°0
81 °
Smith Island, Thursday, 20 August
Overcast. High 81°, low 77°.
Pressure29.74 inHg
Wind25.5 mph NW
Humidity66%
Visibility—
Dew point67°
Fri, 2181° / 72°0
81 °
Smith Island, Friday, 21 August
Clear. High 81°, low 72°.
Pressure29.91 inHg
Wind23.2 mph NW
Humidity48%
Visibility—
Dew point54°
Sat, 2278° / 71°0
78 °
Smith Island, Saturday, 22 August
Clear. High 78°, low 71°.
Pressure30.09 inHg
Wind19.3 mph S
Humidity43%
Visibility—
Dew point49°
Sun, 2382° / 77°0.02
82 °
Smith Island, Sunday, 23 August
Light rain. High 82°, low 77°.
Pressure30.03 inHg
Wind24.8 mph S
Humidity74%
Visibility—
Dew point72°
Mon, 2480° / 75°0
80 °
Smith Island, Monday, 24 August
Overcast. High 80°, low 75°.
Pressure29.94 inHg
Wind20.1 mph SW
Humidity75%
Visibility—
Dew point71°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2582° / 70°0.06
82 °
Smith Island, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high82°
Average low70°
Average precipitation0.06 in
Chance of precipitation20%
Record high92° (1968)
Record low60° (1971)
Wed, 2682° / 70°0.05
82 °
Smith Island, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high82°
Average low70°
Average precipitation0.05 in
Chance of precipitation20%
Record high91° (1975)
Record low60° (1977)
Thu, 2783° / 72°0.13
83 °
Smith Island, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high83°
Average low72°
Average precipitation0.13 in
Chance of precipitation30%
Record high93° (1987)
Record low63° (1963)
Fri, 2883° / 72°0.16
83 °
Smith Island, Friday, 28 August
Climate normal for this date — 60-year average.
Average high83°
Average low72°
Average precipitation0.16 in
Chance of precipitation40%
Record high90° (1973)
Record low61° (1969)
Sat, 2982° / 71°0.11
82 °
Smith Island, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high82°
Average low71°
Average precipitation0.11 in
Chance of precipitation30%
Record high91° (1973)
Record low56° (1982)
Sun, 3082° / 70°0.07
82 °
Smith Island, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high82°
Average low70°
Average precipitation0.07 in
Chance of precipitation25%
Record high91° (1973)
Record low53° (1986)
Mon, 3182° / 70°0.08
82 °
Smith Island, Monday, 31 August
Climate normal for this date — 60-year average.
Average high82°
Average low70°
Average precipitation0.08 in
Chance of precipitation23%
Record high91° (1973)
Record low56° (1986)
Tue, 0180° / 69°0.24
80 °
Smith Island, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high80°
Average low69°
Average precipitation0.24 in
Chance of precipitation35%
Record high91° (2010)
Record low59° (1986)
Wed, 0280° / 69°0.09
80 °
Smith Island, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high80°
Average low69°
Average precipitation0.09 in
Chance of precipitation37%
Record high91° (1980)
Record low59° (1967)
Thu, 0381° / 70°0.1
81 °
Smith Island, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high81°
Average low70°
Average precipitation0.1 in
Chance of precipitation38%
Record high90° (1993)
Record low54° (1967)
Fri, 0481° / 70°0.14
81 °
Smith Island, Friday, 4 September
Climate normal for this date — 60-year average.
Average high81°
Average low70°
Average precipitation0.14 in
Chance of precipitation25%
Record high89° (2008)
Record low58° (1997)
Sat, 0580° / 69°0.09
80 °
Smith Island, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high80°
Average low69°
Average precipitation0.09 in
Chance of precipitation32%
Record high92° (2023)
Record low59° (1994)
Sun, 0680° / 69°0.19
80 °
Smith Island, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high80°
Average low69°
Average precipitation0.19 in
Chance of precipitation38%
Record high92° (1983)
Record low60° (1962)
Mon, 0780° / 68°0.07
80 °
Smith Island, Monday, 7 September
Climate normal for this date — 60-year average.
Average high80°
Average low68°
Average precipitation0.07 in
Chance of precipitation27%
Record high93° (2023)
Record low57° (1965)
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Smith Island, MD are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Smith Island, MD since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.